#include <bits/stdc++.h>
using namespace std;
const int maxn = 684594+10;
const int M = 20010905;

int s[8][maxn];
int main() {
    const string p = "iloveyou";
    string str; cin >> str;
    for (int i = p.size()-1; i >=0; --i) {
        for (int j = str.size()-1; j >=0 ; --j) {
            char c = str[j];
            c = (char)tolower(c);
            if(c == p[i]){
                if(i==p.size()-1)
                    s[i][j] = (s[i][j+1] + 1)%M;
                else
                    s[i][j] = (s[i][j+1] + s[i+1][j])%M;
            }else
                s[i][j] = s[i][j+1];
        }
    }
    cout << s[0][0];
    return 0;
}